Bump version 0.20.22. Refactored RtabmapThread commands handling. MainWindow/RtabmapThread/Statistics/UVariant: added new option to republish missing data on GUI side. MainWindow: fixed 1 sec lag when waypoints are used. Parameters: added Rtabmap/MaxRepublished (moved from rtabmap_ros). OccupancyGrid: fixed ground cells ignored if there are empty cells, also don't add pose in addedNodes if corresponding node was not in cache.

guilib/include/rtabmap/gui/MainWindow.h

@@ -193,6 +193,7 @@ protected Q_SLOTS:
 	void dumpThePrediction();
 	void sendGoal();
 	void sendWaypoints();
+	void postGoal();
 	void postGoal(const QString & goal);
 	void cancelGoal();
 	void label();

guilib/include/rtabmap/gui/PreferencesDialog.h

@@ -286,6 +286,7 @@ public:
 
 	//
 	bool isImagesKept() const;
+	bool isMissingCacheRepublished() const;
 	bool isCloudsKept() const;
 	float getTimeLimit() const;
 	float getDetectionRate() const;